134020531 has 2 divisors, whose sum is σ = 134020532. Its totient is φ = 134020530.

The previous prime is 134020507. The next prime is 134020541. The reversal of 134020531 is 135020431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134020531 - 2⁵ = 134020499 is a prime.

It is a super-2 number, since 2×134020531² = 35923005459043922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 134020499 and 134020508.

It is not a weakly prime, because it can be changed into another prime (134020501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67010265 + 67010266.

It is an arithmetic number, because the mean of its divisors is an integer number (67010266).

Almost surely, 2^134020531 is an apocalyptic number.

134020531 is a deficient number, since it is larger than the sum of its proper divisors (1).

134020531 is an equidigital number, since it uses as much as digits as its factorization.

134020531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 134020531 is about 11576.7236729569. The cubic root of 134020531 is about 511.7491281446.

Adding to 134020531 its reverse (135020431), we get a palindrome (269040962).

The spelling of 134020531 in words is "one hundred thirty-four million, twenty thousand, five hundred thirty-one".